A mathematician, using dividers to measure a diagram on a piece of paper. Engraving by N. Cavalli after G.B. Piazzetta
Wellcome Collection

A mathematician, using dividers to measure a diagram on a piece of paper. Engraving by N. Cavalli after G.B. Piazzetta

Gian Battista Piazzetta

CC0 — Public Domain
Wellcome Collection
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